Ribbon splitting tool



FIG. 1 is a top perspective view of a ribbon splitting tool showing my new design;

FIG. 2 is a side elevational view;

FIG. 3 is a top view;

FIG. 4 is an end view, from the right of FIG. 2; and

FIG. 5 is an end view taken from the left of FIG. 2. 

The ornamental design for a ribbon splitting tool, as shown. 